已增强IP防火墻
$ sudo ufw status To Action From -- ------ ---- Anywhere DENY 95.182.120.0/21 # combined Anywhere DENY 94.72.96.0/20 # combined Anywhere DENY 93.95.224.0/21 # combined Anywhere DENY 93.183.92.0/22 # combined Anywhere DENY 91.84.96.0/19 # combined Anywhere DENY 89.110.64.0/18 # combined Anywhere DENY 79.127.128.0/17 # combined Anywhere DENY 77.238.224.0/19 # combined Anywhere DENY 62.113.112.0/21 # combined Anywhere DENY 5.255.96.0/19 # combined Anywhere DENY 5.1.0.0/20 # combined Anywhere DENY 46.8.0.0/16 # combined Anywhere DENY 45.8.0.0/17 # combined Anywhere DENY 212.34.128.0/19 # combined Anywhere DENY 212.102.32.0/19 # combined Anywhere DENY 205.185.112.0/21 # combined Anywhere DENY 199.195.248.0/21 # combined Anywhere DENY 198.98.48.0/20 # combined Anywhere DENY 196.251.64.0/19 # combined Anywhere DENY 195.2.64.0/19 # combined Anywhere DENY 188.68.32.0/19 # combined Anywhere DENY 188.130.128.0/17 # combined Anywhere DENY 185.246.128.0/17 # combined Anywhere DENY 185.220.100.0/22 # combined Anywhere DENY 185.121.232.0/22 # combined Anywhere DENY 181.214.164.0/22 # combined Anywhere DENY 179.43.128.0/18 # combined Anywhere DENY 178.20.32.0/19 # combined Anywhere DENY 176.65.128.0/19 # combined Anywhere DENY 107.189.0.0/19 # combined Anywhere DENY 104.244.72.0/21 # combined
暫設有效期為兩年。